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A drop of liquid helium cooled to an extremely low temperature can be made to float in a vacuum for an indefinitely long time. In this state, it could serve as a powerful mini-laboratory for ...

SOME properties of liquid helium I undergo an anomalous change as the lambda-point is approached. The entropy begins to drop rapidly with falling temperature between 2.6 and 2.19° K. 1, and a similar ...

IN the Physical Review of January 15, p. 303, S. G. Sydoriak E.R. Grilly and E. F. Hamel report that on October 13, 1948, they succeeded in condensing pure helium-3. This is especially interesting, ...